Home / 7,627.64-10,522.98-4,643.06

Finding the Fourth Proportional to 7,627.64, 10,522.98 and 4,643.06

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Solution

The fourth proportional to 7,627.64, 10,522.98 and 4,643.06 is: 6,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.64 : 10,522.98 = 4,643.06 : x
  2. Step 2: Convert to fraction form
    7,627.64/10,522.98 = 4,643.06/x
  3. Step 3: Cross multiply
    7,627.64x = 10,522.98 × 4,643.06
  4. Step 4: Simplify right side
    7,627.64x = 48,858,774.90
  5. Step 5: Solve for x
    x = 48,858,774.90/7,627.64
  6. Step 6: Final answer
    x = 6,405.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.